APA (7th ed.) Citation

Chicago Association of Commerce and Industry. (1935). Blue book of Chicago commerce. Chicago Association of Commerce.

Chicago Style (17th ed.) Citation

Chicago Association of Commerce and Industry. Blue Book of Chicago Commerce. [Chicago]: Chicago Association of Commerce, 1935.

MLA (8th ed.) Citation

Chicago Association of Commerce and Industry. Blue Book of Chicago Commerce. Chicago Association of Commerce, 1935.

Warning: These citations may not always be 100% accurate.